document.write( "Question 6616:
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document.write( " hi
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document.write( " i want to ask that how can i find the sum of the equations like
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document.write( " 1*+2*+......+n* where * = 2
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Algebra.Com's Answer #3619 by khwang(438) ![]() You can put this solution on YOUR website! Note that itis important to know how to write the power notation.\r \n" ); document.write( "\n" ); document.write( " 1^2+2^2+......+n^2 \r \n" ); document.write( "\n" ); document.write( " = n(n+1)(2n+1)/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " and try to prove it by induction.\r \n" ); document.write( "\n" ); document.write( " Kenny \n" ); document.write( " |